159 (number)

159 is an odd 3-digits composite number following 158 and preceding 160. In scientific notation, it is written as 1.59 × 10^2. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 104 positive integers (up to 159) that are relatively prime to 159.

Interesting facts

Basic properties

Name

Name one hundred fifty-nine

Notation

Scientific notation 1.59 × 10^2
Engineering notation 1.59 × 10^0

Prime Factorization of 159

Prime Factorization 3 × 53

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 159
Product of the distinct prime numbers

The prime factorization of 159 is 3 × 53. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 159)

Multiplication

n×y
n×2 318
n×3 477
n×4 636
n×5 795

Division

n÷y
n÷2 79.5
n÷3 53
n÷3 39.75
n÷5 31.8

Exponentiation

ny
n2 25281
n3 4019679
n4 639128961
n5 101621504799

Nth Root

y√n
2√n 12.609520212918
3√n 5.4175015149772
4√n 3.5509886247239
5√n 2.7560013429788

Divisors of 159

1, 3, 53, 159

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -158
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 159 can be divided by 4 positive divisors. The sum of these divisors (counting 159) is 1, the average is 0.25.

Base conversion 159

Base System Value
2 Binary 10011111
3 Ternary 12220
4 Quaternary 2133
5 Quinary 1114
6 Senary 423
8 Octal 237
10 Decimal 159
12 Duodecimal 113
16 Hexadecimal 9f
20 Vigesimal 7j
36 Base36 4f

Cryptographic Hash Functions

md5 140f6969d5213fd0ece03148e62e461e
sha1 6b6277afcb65d33525545904e95c2fa240632660
sha256 ff2ccb6ba423d356bd549ed4bfb76e96976a0dcde05a09996a1cdb9f83422ec4
sha512 364ab93bac5c26bcc08811259b1b2832e0e0d38a0ebd46bd034d896ed26e1626ee2d5d434acf25f4e2553fa1e04c2fdf8f0b488930cfbed4d46eb6d273fc44ec
ripemd-160 95dad54fc01ebbacca956f897baf3b68548b33cb

159 as geometric shapes

Circle

Radius = n
Diameter 318
Circumference 999.02646384155
Area 79422.603875404

Sphere

Radius = n
Volume 16837592.021586
Surface area 317690.41550161
Circumference 999.02646384155

Square

Length = n
Perimeter 636
Area 25281
Diagonal 224.85995641732

Cube

Length = n
Surface area 151686
Volume 4019679
Space diagonal 275.39607840345

Equilateral Triangle

Length = n
Perimeter 477
Area 10946.994116537
Altitude 137.69803920173

Triangular Pyramid

Length = n
Surface area 10946.994116537
Volume 473723.71318219
Height 74.953318805774